CVE-2009-3111 describes a denial-of-service vulnerability in FreeRADIUS versions prior to 1.1.8. The flaw resides in the rad_decode function, allowing remote attackers to crash the radiusd daemon by sending zero-length Tunnel-Password attributes. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with a network attack vector, low attack complexity, and potential for partial availability impact. While not listed in CISA's KEV catalog, exploit code is publicly available on ExploitDB (EDB-9642), though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.1.7CPE matchmatch criteria | cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:* | ||
0.2CPE matchmatch criteria | cpe:2.3:a:freeradius:freeradius:0.2:*:*:*:*:*:*:* | ||
0.3CPE matchmatch criteria | cpe:2.3:a:freeradius:freeradius:0.3:*:*:*:*:*:*:* | ||
0.4CPE matchmatch criteria | cpe:2.3:a:freeradius:freeradius:0.4:*:*:*:*:*:*:* | ||
0.5CPE matchmatch criteria | cpe:2.3:a:freeradius:freeradius:0.5:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
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